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upstream u-boot with additional patches for our devices/boards: https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ; Gbit ethernet patch for some LIME2 revisions ; with SPI flash support
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u-boot/board/freescale/mpc8360emds/mpc8360emds.c

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/*
* Copyright (C) 2006,2010-2011 Freescale Semiconductor, Inc.
* Dave Liu <daveliu@freescale.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <ioports.h>
#include <mpc83xx.h>
#include <i2c.h>
#include <miiphy.h>
#include <phy.h>
#if defined(CONFIG_PCI)
#include <pci.h>
#endif
#include <spd_sdram.h>
#include <asm/mmu.h>
#include <asm/io.h>
#include <asm/fsl_enet.h>
#include <asm/mmu.h>
#if defined(CONFIG_OF_LIBFDT)
#include <libfdt.h>
#endif
#include <hwconfig.h>
#include <fdt_support.h>
#if defined(CONFIG_PQ_MDS_PIB)
#include "../common/pq-mds-pib.h"
#endif
#include "../../../drivers/qe/uec.h"
const qe_iop_conf_t qe_iop_conf_tab[] = {
/* GETH1 */
{0, 3, 1, 0, 1}, /* TxD0 */
{0, 4, 1, 0, 1}, /* TxD1 */
{0, 5, 1, 0, 1}, /* TxD2 */
{0, 6, 1, 0, 1}, /* TxD3 */
{1, 6, 1, 0, 3}, /* TxD4 */
{1, 7, 1, 0, 1}, /* TxD5 */
{1, 9, 1, 0, 2}, /* TxD6 */
{1, 10, 1, 0, 2}, /* TxD7 */
{0, 9, 2, 0, 1}, /* RxD0 */
{0, 10, 2, 0, 1}, /* RxD1 */
{0, 11, 2, 0, 1}, /* RxD2 */
{0, 12, 2, 0, 1}, /* RxD3 */
{0, 13, 2, 0, 1}, /* RxD4 */
{1, 1, 2, 0, 2}, /* RxD5 */
{1, 0, 2, 0, 2}, /* RxD6 */
{1, 4, 2, 0, 2}, /* RxD7 */
{0, 7, 1, 0, 1}, /* TX_EN */
{0, 8, 1, 0, 1}, /* TX_ER */
{0, 15, 2, 0, 1}, /* RX_DV */
{0, 16, 2, 0, 1}, /* RX_ER */
{0, 0, 2, 0, 1}, /* RX_CLK */
{2, 9, 1, 0, 3}, /* GTX_CLK - CLK10 */
{2, 8, 2, 0, 1}, /* GTX125 - CLK9 */
/* GETH2 */
{0, 17, 1, 0, 1}, /* TxD0 */
{0, 18, 1, 0, 1}, /* TxD1 */
{0, 19, 1, 0, 1}, /* TxD2 */
{0, 20, 1, 0, 1}, /* TxD3 */
{1, 2, 1, 0, 1}, /* TxD4 */
{1, 3, 1, 0, 2}, /* TxD5 */
{1, 5, 1, 0, 3}, /* TxD6 */
{1, 8, 1, 0, 3}, /* TxD7 */
{0, 23, 2, 0, 1}, /* RxD0 */
{0, 24, 2, 0, 1}, /* RxD1 */
{0, 25, 2, 0, 1}, /* RxD2 */
{0, 26, 2, 0, 1}, /* RxD3 */
{0, 27, 2, 0, 1}, /* RxD4 */
{1, 12, 2, 0, 2}, /* RxD5 */
{1, 13, 2, 0, 3}, /* RxD6 */
{1, 11, 2, 0, 2}, /* RxD7 */
{0, 21, 1, 0, 1}, /* TX_EN */
{0, 22, 1, 0, 1}, /* TX_ER */
{0, 29, 2, 0, 1}, /* RX_DV */
{0, 30, 2, 0, 1}, /* RX_ER */
{0, 31, 2, 0, 1}, /* RX_CLK */
{2, 2, 1, 0, 2}, /* GTX_CLK = CLK10 */
{2, 3, 2, 0, 1}, /* GTX125 - CLK4 */
{0, 1, 3, 0, 2}, /* MDIO */
{0, 2, 1, 0, 1}, /* MDC */
{5, 0, 1, 0, 2}, /* UART2_SOUT */
{5, 1, 2, 0, 3}, /* UART2_CTS */
{5, 2, 1, 0, 1}, /* UART2_RTS */
{5, 3, 2, 0, 2}, /* UART2_SIN */
{0, 0, 0, 0, QE_IOP_TAB_END}, /* END of table */
};
/* Handle "mpc8360ea rev.2.1 erratum 2: RGMII Timing"? */
static int board_handle_erratum2(void)
{
const immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
return REVID_MAJOR(immr->sysconf.spridr) == 2 &&
REVID_MINOR(immr->sysconf.spridr) == 1;
}
int board_early_init_f(void)
{
const immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
u8 *bcsr = (u8 *)CONFIG_SYS_BCSR;
/* Enable flash write */
bcsr[0xa] &= ~0x04;
/* Disable G1TXCLK, G2TXCLK h/w buffers (rev.2.x h/w bug workaround) */
if (REVID_MAJOR(immr->sysconf.spridr) == 2)
bcsr[0xe] = 0x30;
/* Enable second UART */
bcsr[0x9] &= ~0x01;
if (board_handle_erratum2()) {
void *immap = (immap_t *)(CONFIG_SYS_IMMR + 0x14a8);
/*
* IMMR + 0x14A8[4:5] = 11 (clk delay for UCC 2)
* IMMR + 0x14A8[18:19] = 11 (clk delay for UCC 1)
*/
setbits_be32(immap, 0x0c003000);
/*
* IMMR + 0x14AC[20:27] = 10101010
* (data delay for both UCC's)
*/
clrsetbits_be32(immap + 4, 0xff0, 0xaa0);
}
return 0;
}
int board_early_init_r(void)
{
gd_t *gd;
#ifdef CONFIG_PQ_MDS_PIB
pib_init();
#endif
/*
* BAT6 is used for SDRAM when DDR size is 512MB or larger than 256MB
* So re-setup PCI MEM space used BAT5 after relocated to DDR
*/
gd = (gd_t *)(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_GBL_DATA_OFFSET);
if (gd->ram_size > CONFIG_MAX_MEM_MAPPED) {
write_bat(DBAT5, CONFIG_SYS_DBAT6U, CONFIG_SYS_DBAT6L);
write_bat(IBAT5, CONFIG_SYS_IBAT6U, CONFIG_SYS_IBAT6L);
}
return 0;
}
#ifdef CONFIG_UEC_ETH
static uec_info_t uec_info[] = {
#ifdef CONFIG_UEC_ETH1
STD_UEC_INFO(1),
#endif
#ifdef CONFIG_UEC_ETH2
STD_UEC_INFO(2),
#endif
};
int board_eth_init(bd_t *bd)
{
if (board_handle_erratum2()) {
int i;
for (i = 0; i < ARRAY_SIZE(uec_info); i++) {
uec_info[i].enet_interface_type =
PHY_INTERFACE_MODE_RGMII_RXID;
uec_info[i].speed = SPEED_1000;
}
}
return uec_eth_init(bd, uec_info, ARRAY_SIZE(uec_info));
}
#endif /* CONFIG_UEC_ETH */
#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
extern void ddr_enable_ecc(unsigned int dram_size);
#endif
int fixed_sdram(void);
static int sdram_init(unsigned int base);
phys_size_t initdram(int board_type)
{
volatile immap_t *im = (immap_t *) CONFIG_SYS_IMMR;
u32 msize = 0;
u32 lbc_sdram_size;
if ((im->sysconf.immrbar & IMMRBAR_BASE_ADDR) != (u32) im)
return -1;
/* DDR SDRAM - Main SODIMM */
im->sysconf.ddrlaw[0].bar = CONFIG_SYS_DDR_BASE & LAWBAR_BAR;
#if defined(CONFIG_SPD_EEPROM)
msize = spd_sdram();
#else
msize = fixed_sdram();
#endif
#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
/*
* Initialize DDR ECC byte
*/
ddr_enable_ecc(msize * 1024 * 1024);
#endif
/*
* Initialize SDRAM if it is on local bus.
*/
lbc_sdram_size = sdram_init(msize * 1024 * 1024);
if (!msize)
msize = lbc_sdram_size;
/* return total bus SDRAM size(bytes) -- DDR */
return (msize * 1024 * 1024);
}
#if !defined(CONFIG_SPD_EEPROM)
/*************************************************************************
* fixed sdram init -- doesn't use serial presence detect.
************************************************************************/
int fixed_sdram(void)
{
volatile immap_t *im = (immap_t *) CONFIG_SYS_IMMR;
u32 msize = CONFIG_SYS_DDR_SIZE;
u32 ddr_size = msize << 20;
u32 ddr_size_log2 = __ilog2(ddr_size);
u32 half_ddr_size = ddr_size >> 1;
im->sysconf.ddrlaw[0].bar =
CONFIG_SYS_DDR_SDRAM_BASE & 0xfffff000;
im->sysconf.ddrlaw[0].ar =
LAWAR_EN | ((ddr_size_log2 - 1) & LAWAR_SIZE);
#if (CONFIG_SYS_DDR_SIZE != 256)
#warning Currenly any ddr size other than 256 is not supported
#endif
#ifdef CONFIG_DDR_II
im->ddr.csbnds[0].csbnds = CONFIG_SYS_DDR_CS0_BNDS;
im->ddr.cs_config[0] = CONFIG_SYS_DDR_CS0_CONFIG;
im->ddr.timing_cfg_0 = CONFIG_SYS_DDR_TIMING_0;
im->ddr.timing_cfg_1 = CONFIG_SYS_DDR_TIMING_1;
im->ddr.timing_cfg_2 = CONFIG_SYS_DDR_TIMING_2;
im->ddr.timing_cfg_3 = CONFIG_SYS_DDR_TIMING_3;
im->ddr.sdram_cfg = CONFIG_SYS_DDR_SDRAM_CFG;
im->ddr.sdram_cfg2 = CONFIG_SYS_DDR_SDRAM_CFG2;
im->ddr.sdram_mode = CONFIG_SYS_DDR_MODE;
im->ddr.sdram_mode2 = CONFIG_SYS_DDR_MODE2;
im->ddr.sdram_interval = CONFIG_SYS_DDR_INTERVAL;
im->ddr.sdram_clk_cntl = CONFIG_SYS_DDR_CLK_CNTL;
#else
#if ((CONFIG_SYS_DDR_SDRAM_BASE & 0x00FFFFFF) != 0)
#warning Chip select bounds is only configurable in 16MB increments
#endif
im->ddr.csbnds[0].csbnds =
((CONFIG_SYS_DDR_SDRAM_BASE >> CSBNDS_SA_SHIFT) & CSBNDS_SA) |
(((CONFIG_SYS_DDR_SDRAM_BASE + half_ddr_size - 1) >>
CSBNDS_EA_SHIFT) & CSBNDS_EA);
im->ddr.csbnds[1].csbnds =
(((CONFIG_SYS_DDR_SDRAM_BASE + half_ddr_size) >>
CSBNDS_SA_SHIFT) & CSBNDS_SA) |
(((CONFIG_SYS_DDR_SDRAM_BASE + ddr_size - 1) >>
CSBNDS_EA_SHIFT) & CSBNDS_EA);
im->ddr.cs_config[0] = CONFIG_SYS_DDR_CS0_CONFIG;
im->ddr.cs_config[1] = CONFIG_SYS_DDR_CS1_CONFIG;
im->ddr.cs_config[2] = 0;
im->ddr.cs_config[3] = 0;
im->ddr.timing_cfg_1 = CONFIG_SYS_DDR_TIMING_1;
im->ddr.timing_cfg_2 = CONFIG_SYS_DDR_TIMING_2;
im->ddr.sdram_cfg = CONFIG_SYS_DDR_CONTROL;
im->ddr.sdram_mode = CONFIG_SYS_DDR_MODE;
im->ddr.sdram_interval = CONFIG_SYS_DDR_INTERVAL;
#endif
udelay(200);
im->ddr.sdram_cfg |= SDRAM_CFG_MEM_EN;
return msize;
}
#endif /*!CONFIG_SYS_SPD_EEPROM */
int checkboard(void)
{
puts("Board: Freescale MPC8360EMDS\n");
return 0;
}
/*
* if MPC8360EMDS is soldered with SDRAM
*/
#ifdef CONFIG_SYS_LB_SDRAM
/*
* Initialize SDRAM memory on the Local Bus.
*/
static int sdram_init(unsigned int base)
{
volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
fsl_lbc_t *lbc = LBC_BASE_ADDR;
const int sdram_size = CONFIG_SYS_LBC_SDRAM_SIZE * 1024 * 1024;
int rem = base % sdram_size;
uint *sdram_addr;
/* window base address should be aligned to the window size */
if (rem)
base = base - rem + sdram_size;
/*
* Setup BAT6 for SDRAM when DDR size is 512MB or larger than 256MB
* After relocated to DDR, reuse BAT5 for PCI MEM space
*/
if (base > CONFIG_MAX_MEM_MAPPED) {
unsigned long batl = base | BATL_PP_10 | BATL_MEMCOHERENCE;
unsigned long batu = base | BATU_BL_64M | BATU_VS | BATU_VP;
/* Setup the BAT6 for SDRAM */
write_bat(DBAT6, batu, batl);
write_bat(IBAT6, batu, batl);
}
sdram_addr = (uint *)base;
/*
* Setup SDRAM Base and Option Registers
*/
set_lbc_br(2, base | CONFIG_SYS_BR2);
set_lbc_or(2, CONFIG_SYS_OR2);
immap->sysconf.lblaw[2].bar = base;
immap->sysconf.lblaw[2].ar = CONFIG_SYS_LBLAWAR2;
/*setup mtrpt, lsrt and lbcr for LB bus */
lbc->lbcr = CONFIG_SYS_LBC_LBCR;
lbc->mrtpr = CONFIG_SYS_LBC_MRTPR;
lbc->lsrt = CONFIG_SYS_LBC_LSRT;
asm("sync");
/*
* Configure the SDRAM controller Machine Mode Register.
*/
lbc->lsdmr = CONFIG_SYS_LBC_LSDMR_5; /* Normal Operation */
lbc->lsdmr = CONFIG_SYS_LBC_LSDMR_1; /* Precharge All Banks */
asm("sync");
*sdram_addr = 0xff;
udelay(100);
/*
* We need do 8 times auto refresh operation.
*/
lbc->lsdmr = CONFIG_SYS_LBC_LSDMR_2;
asm("sync");
*sdram_addr = 0xff; /* 1 times */
udelay(100);
*sdram_addr = 0xff; /* 2 times */
udelay(100);
*sdram_addr = 0xff; /* 3 times */
udelay(100);
*sdram_addr = 0xff; /* 4 times */
udelay(100);
*sdram_addr = 0xff; /* 5 times */
udelay(100);
*sdram_addr = 0xff; /* 6 times */
udelay(100);
*sdram_addr = 0xff; /* 7 times */
udelay(100);
*sdram_addr = 0xff; /* 8 times */
udelay(100);
/* Mode register write operation */
lbc->lsdmr = CONFIG_SYS_LBC_LSDMR_4;
asm("sync");
*(sdram_addr + 0xcc) = 0xff;
udelay(100);
/* Normal operation */
lbc->lsdmr = CONFIG_SYS_LBC_LSDMR_5 | 0x40000000;
asm("sync");
*sdram_addr = 0xff;
udelay(100);
/*
* In non-aligned case we don't [normally] use that memory because
* there is a hole.
*/
if (rem)
return 0;
return CONFIG_SYS_LBC_SDRAM_SIZE;
}
#else
static int sdram_init(unsigned int base) { return 0; }
#endif
#if defined(CONFIG_OF_BOARD_SETUP)
static void ft_board_fixup_qe_usb(void *blob, bd_t *bd)
{
if (!hwconfig_subarg_cmp("qe_usb", "mode", "peripheral"))
return;
do_fixup_by_compat(blob, "fsl,mpc8323-qe-usb", "mode",
"peripheral", sizeof("peripheral"), 1);
}
void ft_board_setup(void *blob, bd_t *bd)
{
ft_cpu_setup(blob, bd);
#ifdef CONFIG_PCI
ft_pci_setup(blob, bd);
#endif
ft_board_fixup_qe_usb(blob, bd);
/*
* mpc8360ea pb mds errata 2: RGMII timing
* if on mpc8360ea rev. 2.1,
* change both ucc phy-connection-types from rgmii-id to rgmii-rxid
*/
if (board_handle_erratum2()) {
int nodeoffset;
const char *prop;
int path;
nodeoffset = fdt_path_offset(blob, "/aliases");
if (nodeoffset >= 0) {
#if defined(CONFIG_HAS_ETH0)
/* fixup UCC 1 if using rgmii-id mode */
prop = fdt_getprop(blob, nodeoffset, "ethernet0", NULL);
if (prop) {
path = fdt_path_offset(blob, prop);
prop = fdt_getprop(blob, path,
"phy-connection-type", 0);
if (prop && (strcmp(prop, "rgmii-id") == 0))
fdt_fixup_phy_connection(blob, path,
PHY_INTERFACE_MODE_RGMII_RXID);
}
#endif
#if defined(CONFIG_HAS_ETH1)
/* fixup UCC 2 if using rgmii-id mode */
prop = fdt_getprop(blob, nodeoffset, "ethernet1", NULL);
if (prop) {
path = fdt_path_offset(blob, prop);
prop = fdt_getprop(blob, path,
"phy-connection-type", 0);
if (prop && (strcmp(prop, "rgmii-id") == 0))
fdt_fixup_phy_connection(blob, path,
PHY_INTERFACE_MODE_RGMII_RXID);
}
#endif
}
}
}
#endif